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Re: [Fot] TR4 head milling

To: FOT Triumph <fot@autox.team.net>
Subject: Re: [Fot] TR4 head milling
From: Mordy Dunst via Fot <fot@autox.team.net>
Date: Sun, 7 Apr 2024 19:26:09 +0000 (UTC)
Delivered-to: mharc@autox.team.net
Delivered-to: fot@autox.team.net
References: <2103629563.6201669.1712316459147.ref@mail.yahoo.com> <2103629563.6201669.1712316459147@mail.yahoo.com>
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Some years back Kas came over. =C2=A0We studied heads. =C2=A0I cut a stock =
head on a band saw at different places. Kinda looked at it deeply. =C2=A0I =
mentioned that the only best way to get 14.5: 1 CR is to make the combustio=
n chamber small and keep the thickness of the head stock. Utilizing flat to=
p pistons. =C2=A0( he did not like pop ups).=C2=A0=C2=A0
Easy to do once you weld up the combustion chamber and mill the chamber to =
a known volume. While at it make the intake runner better and sized right. =
=C2=A0Need custom length=C2=A0longer=C2=A0valves too.=C2=A0
Made three of these=C2=A0alum=C2=A0heads. =C2=A0Alas the first one was unfo=
rtunately expendable - found out limits=C2=A0what we could grind.

Oh=E2=80=A6 they are seriously light.=C2=A0



Good stuff. =C2=A0


Sent from the all new AOL app for iOS


On Saturday, April 6, 2024, 7:30 PM, GREGORY THOMPSON via Fot <fot@autox.te=
am.net> wrote:

Has anyone had an issue with breaking into a water jacket on the TR4A head =
with taking off .150?
Thank you,
Greg Thompson=C2=A0_______________________________________________
fot@autox.team.net

http://www.fot-racing.com

Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
gte.net






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ft-com:vml" xmlns:o=3D"urn:schemas-microsoft-com:office:office"><head><!--[=
if gte mso 9]><xml><o:OfficeDocumentSettings><o:AllowPNG/><o:PixelsPerInch>=
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dy>
Some years back Kas came over. &nbsp;We studied heads. &nbsp;I cut a stock =
head on a band saw at different places. Kinda looked at it deeply. &nbsp;I =
mentioned that the only best way to get 14.5: 1 CR is to make the combustio=
n chamber small and keep the thickness of the head stock. Utilizing flat to=
p pistons. &nbsp;( he did not like pop ups).&nbsp;&nbsp;<div><span style=3D=
"-webkit-text-size-adjust: auto;"><br></span></div><div><span style=3D"-web=
kit-text-size-adjust: auto;">Easy to do once you weld up the combustion cha=
mber and mill the chamber to a known volume. While at it make the intake ru=
nner better and sized right. &nbsp;Need custom length&nbsp;longer&nbsp;valv=
es too.&nbsp;</span></div><div><span style=3D"-webkit-text-size-adjust: aut=
o;"><br></span></div><div><span style=3D"-webkit-text-size-adjust: auto;">M=
ade three of these&nbsp;alum&nbsp;heads. &nbsp;Alas the first one was unfor=
tunately expendable - found out limits&nbsp;what we could grind.</span></di=
v><div><span style=3D"-webkit-text-size-adjust: auto;"><br></span></div><di=
v><span style=3D"-webkit-text-size-adjust: auto;"><br></span></div><div><sp=
an style=3D"-webkit-text-size-adjust: auto;">Oh=E2=80=A6 they are seriously=
 light.&nbsp;</span></div><div><span style=3D"-webkit-text-size-adjust: aut=
o;"><br></span></div><div><span style=3D"-webkit-text-size-adjust: auto;"><=
br></span></div><div><span style=3D"-webkit-text-size-adjust: auto;"><br></=
span></div><div><span style=3D"-webkit-text-size-adjust: auto;"><br></span>=
</div><div><span style=3D"-webkit-text-size-adjust: auto;">Good stuff. &nbs=
p;</span></div><div><span style=3D"-webkit-text-size-adjust: auto;"><br></s=
pan></div><div><br><br><div class=3D"yahoo-signature"><a href=3D"https://ap=
ps.apple.com/us/app/aol-news-email-weather-video/id646100661">Sent from the=
 all new AOL app for iOS</a><br></div><br><p class=3D"yahoo-quoted-begin" s=
tyle=3D"font-size: 15px; color: #715FFA; padding-top: 15px; margin-top: 0">=
On Saturday, April 6, 2024, 7:30 PM, GREGORY THOMPSON via Fot &lt;fot@autox=
.team.net&gt; wrote:</p><blockquote class=3D"iosymail"><div id=3D"yiv376233=
9536"><div>Has anyone had an issue with breaking into a water jacket on the=
 TR4A head with taking off .150?<div><br></div><div><div style=3D"font-fami=
ly:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;" class=3D"y=
iv3762339536ydp72b54109yahoo-style-wrap"><div><div>Thank you,</div><div><br=
></div><div class=3D"yiv3762339536ydp72b54109signature">Greg Thompson&nbsp;=
</div></div></div></div></div></div>_______________________________________=
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fot@autox.team.net

http://www.fot-racing.com

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